/*
 * Copyright (c) 2014-2016 Alex Spataru <alex_spataru@outlook.com>
 *
 * This file is part of the QSimpleUpdater library, which is released under
 * the DBAD license, you can read a copy of it below:
 *
 * DON'T BE A DICK PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING,
 * DISTRIBUTION AND MODIFICATION:
 *
 * Do whatever you like with the original work, just don't be a dick.
 * Being a dick includes - but is not limited to - the following instances:
 *
 * 1a. Outright copyright infringement - Don't just copy this and change the
 *     name.
 * 1b. Selling the unmodified original with no work done what-so-ever, that's
 *     REALLY being a dick.
 * 1c. Modifying the original work to contain hidden harmful content.
 *     That would make you a PROPER dick.
 *
 * If you become rich through modifications, related works/services, or
 * supporting the original work, share the love.
 * Only a dick would make loads off this work and not buy the original works
 * creator(s) a pint.
 *
 * Code is provided with no warranty. Using somebody else's code and bitching
 * when it goes wrong makes you a DONKEY dick.
 * Fix the problem yourself. A non-dick would submit the fix back.
 */

#ifndef _QSIMPLEUPDATER_UPDATER_H
#define _QSIMPLEUPDATER_UPDATER_H

#include <QUrl>
#include <QObject>
#include <QNetworkReply>
#include <QNetworkAccessManager>

#include <QSimpleUpdater.h>

class Downloader;

/**
 * \brief Downloads and interprests the update definition file
 */
class QSU_DECL Updater : public QObject
{
   Q_OBJECT

signals:
   void checkingFinished(const QString &url);
   void downloadFinished(const QString &url, const QString &filepath);
   void appcastDownloaded(const QString &url, const QByteArray &data);

public:
   Updater();
   ~Updater();

   QString url() const;
   QString openUrl() const;
   QString changelog() const;
   QString moduleName() const;
   QString downloadUrl() const;
   QString platformKey() const;
   QString moduleVersion() const;
   QString latestVersion() const;
   QString userAgentString() const;
   bool mandatoryUpdate() const;

   bool customAppcast() const;
   bool notifyOnUpdate() const;
   bool notifyOnFinish() const;
   bool updateAvailable() const;
   bool downloaderEnabled() const;
   bool useCustomInstallProcedures() const;

public slots:
   void checkForUpdates();
   void setUrl(const QString &url);
   void setModuleName(const QString &name);
   void setNotifyOnUpdate(const bool notify);
   void setNotifyOnFinish(const bool notify);
   void setUserAgentString(const QString &agent);
   void setModuleVersion(const QString &version);
   void setDownloaderEnabled(const bool enabled);
   void setPlatformKey(const QString &platformKey);
   void setUseCustomAppcast(const bool customAppcast);
   void setUseCustomInstallProcedures(const bool custom);
   void setMandatoryUpdate(const bool mandatory_update);

private slots:
   void onReply(QNetworkReply *reply);
   void setUpdateAvailable(const bool available);

private:
   bool compare(const QString &x, const QString &y);

private:
   QString m_url;
   QString m_userAgentString;

   bool m_customAppcast;
   bool m_notifyOnUpdate;
   bool m_notifyOnFinish;
   bool m_updateAvailable;
   bool m_downloaderEnabled;
   bool m_mandatoryUpdate;

   QString m_openUrl;
   QString m_platform;
   QString m_changelog;
   QString m_moduleName;
   QString m_downloadUrl;
   QString m_moduleVersion;
   QString m_latestVersion;

   Downloader *m_downloader;
   QNetworkAccessManager *m_manager;
};

#endif
